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The hemostatic effect of hot saline irrigation in endoscopic sinus surgery: a systematic review and meta-analysis
Darshini Nagarajah1, Yee Cheng Kueh2, Norhafiza Mat Lazim1
1Department of Otorhinolaryngology-Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia.
Background:
A good control of intraoperative bleeding is key for adequate anatomical visualization during endoscopic sinus surgery (ESS). The objective of this review was to assess the practice of hot intranasal saline irrigation (HSI) in achieving intraoperative hemostasis and good surgical field quality during ESS.
Methods:
An electronic search was performed via PubMed, SCOPUS, Google Scholar, and Cochrane from inception to June 2022. The included trials were evaluated according to the recommendations of the Cochrane Handbook for Systematic Reviews. The primary outcome assessed was the intraoperative bleeding score of the surgical field. The mean arterial pressure, duration of the surgery, amount of blood loss and surgeon's satisfaction score were assessed as the secondary outcomes. The risk of bias for each study was evaluated using the Cochrane risk of bias tool.
Results:
A total of 254 records were identified after removal of duplicates. Based on the title and abstract 246 records were excluded, leaving seven full texts for further consideration. Five records were excluded following full text assessment. Three trials with a total of 212 patients were selected. Hot saline irrigation was superior to control in the intraoperative bleeding score (MD - 0.51, 95% CI - 0.84 to - 0.18; P < 0.001; I2 = 72%; very low quality of evidence) and surgeon's satisfaction score (RR 0.18, 95% CI 0.09 to 0.33; P < 0.001; I2 = 0%; low quality of evidence). The duration of surgery was lengthier in control when compared to HSI (MD - 9.02, 95% CI - 11.76 to - 6.28; P < 0.001; I2 = 0; very low quality of evidence). The volume of blood loss was greater in control than HSI (MD - 56.4, 95% CI - 57.30 to - 55.51; P < 0.001; I2 = 0%; low quality of evidence). No significant difference between the two groups for the mean arterial pressure was noted (MD - 0.60, 95% CI - 2.17 to 0.97; P = 0.45; I2 = 0%; low quality of evidence).
Conclusions:
The practice of intranasal HSI during ESS is favorable in controlling intraoperative bleeding and improving the surgical field quality. It increases the surgeon's satisfaction, reduces blood loss, shortens operative time and has no effect on intraoperative hemodynamic instability.
Trial Registration:
PROSPERO registration number: CRD42019117083.
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